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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Foundation
package enum StructuralProximity: Equatable {
/// Example: Definition is in Project/Framework/UI/View.swift, usage site is Project/Framework/Model/View.swift,
/// so hops == 2, up one, and into a sibling. Hops is edit distance where the operations are 'delete, add', not replace.
case project(fileSystemHops: Int?)
/// Example: Source of completion is from NSObject.h in the SDK
case sdk
/// Example: Keyword
case inapplicable
/// Example: Provider doesn't keep track of where definitions come from
case unknown
/// Example: Provider was written before this enum existed, and didn't have an opportunity to provide a value
case unspecified
}
extension StructuralProximity: BinaryCodable {
package init(_ decoder: inout BinaryDecoder) throws {
self = try decoder.decodeEnumByte { decoder, n in
switch n {
case 0: return .project(fileSystemHops: try Int?(&decoder))
case 1: return .sdk
case 2: return .inapplicable
case 3: return .unknown
case 4: return .unspecified
default: return nil
}
}
}
package func encode(_ encoder: inout BinaryEncoder) {
switch self {
case .project(let hops):
encoder.writeByte(0)
encoder.write(hops)
case .sdk: encoder.writeByte(1)
case .inapplicable: encoder.writeByte(2)
case .unknown: encoder.writeByte(3)
case .unspecified: encoder.writeByte(4)
}
}
}
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